Chinese name: propylene glycol
English name: Propylene glycol
CAS: 57-55-6
EINECS number: 200-338-0
Molecular formula: C3H8O2
MDL number: MFCD00064272
Molecular weight: 76.09
Appearance properties: colorless, bitter, slightly viscous hygroscopic liquid.
Appearance: Colorless viscous stable water-absorbing liquid, almost tasteless and odorless. It is miscible with water, ethanol and various organic solvents.
Solubility: miscible with water, can be miscible in ethanol, ether, most organic solvents.
Melting point: -60 °C
Boiling point: 187 °C(lit.)
Density: 1.036 g/mL at 25 °C(lit.)
Vapor density: 2.62 (vs air)
Vapor pressure: 0.08 mm Hg (20 °C)
FEMA: 2940
Refractive index: n20/D 1.432(lit.)
Flash point: 225 °F
Storage: Store at RT.
Solubility: Soluble in chloroform (a little), ethyl acetate (a little), methanol (a little)
Acidity coefficient (pKa) : 14.49±0.20(Predicted)
Form: viscous liquid
Specific gravity: 1.038 (20/20℃)1.036 ~ 1.040
Color: APHA: ≤10
PH value: 6-8 (100g/l, H2O, 20℃)
Odor: at 100.00 %. odorless very slight alcoholic
Scent type: odorless
Water solubility: miscible
Sensitivity: hygroscopicity
JECFA Number: 925
Merck: 14,7855
BRN: 1340498
Dielectric constant: 32.0
InChIKey: DNIAPMSPPWPWGF-UHFFFAOYSA-N
LogP: -0.92
use
Propylene glycol is an intermediate of the fungicide phenoxyconazole.